PRELIMINARY
CYW43340
Table 17. WLBGA Signal Descriptions (Cont.)
WLBGA Ball
Signal Name
Type
Description
Miscellaneous Power Supplies
L3
HSIC_DVDD1P2_OUT
O
1.2V supply for HSIC interface. This pin can be
NO_CONNECT when HSIC is not used.
E9
H7
K1
P5
H9
J4
VDDC_E9
VDDC_H7
VDDC_K1
VDDC_P5
VDDIO_H9
VDDIO_J4
I
I
I
I
I
I
Core supply for WLAN and BT.
I/O supply (1.8–3.3V). For the WLBGA
package, this is the supply for both SDIO and
other I/O pads.
J6
VDDIO_RF
VOUT_2P5
I
I/O supply for RF switch control pads (3.3V)
2.5V LDO output
N4
O
Ground
B7
B6
C7
B9
B11
B10
C9
L1
BT_PAVSS
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Bluetooth PA ground
1.2V Bluetooth IF block ground
Bluetooth RF PLL ground
1.2V Bluetooth RF ground
FM VCO ground
BT_IFVSS
BT_PLLVSS
BT_VCOVSS
FM_VCOVSS
FM_LNAVSS
FM receiver ground
FM PLL ground
FM_PLLVSS
HSIC_AGND12PLL
PMU_AVSS
HSIC PLL ground
M1
P1
D6
G7
M2
N6
G2
F5
Quiet ground
SR_PVSS
Power ground
VSSC_D6
Core ground for WLAN and BT
VSSC_G7
VSSC_M2
VSSC_N6
WRF_SYNTH_GND1P2
WRF_AFE_GND1P2
WRF_LNA_2G_GND1P2
WRF_LNA_5G_GND1P2
WRF_PA2G_VBAT_GND3P3
Synth ground
AFE ground
D5
D1
C4
C2
C3
B1
D3
E5
E4
E1
H2
J8
2 GHz internal LNA ground
5 GHz internal LNA ground
2.4 GHz PA ground
5 GHz PA ground
WRF_PA5G_VBAT_GND3P3_C2
WRF_PA5G_VBAT_GND3P3_C3
WRF_PAPMU_GND
WRF_PADRV_VBAT_GND3P3
WRF_RX_GND1P2
I
I
I
I
I
I
I
I
PMU ground
PA driver ground
RX ground
WRF_TX_GND1P2
TX ground
WRF_VCO_GND1P2
WRF_XTAL_CAB_GND1P2
VSS_J8
VCO/LOGEN ground
XTAL ground
Ground
J10
VSS_J10
Ground
Document Number: 002-14943 Rev. *L
Page 51 of 96
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